A steady,axisymmetric vortex at an entrance of horizontal orifice,with an air- core,was formed within a special apparatus.The tangential,radial and axial velocities and their fluctuation strengths were measured in det...A steady,axisymmetric vortex at an entrance of horizontal orifice,with an air- core,was formed within a special apparatus.The tangential,radial and axial velocities and their fluctuation strengths were measured in detail.The results were given in terms of formulas or curves.It shows a clear picture of vortex flow-field.展开更多
文摘A steady,axisymmetric vortex at an entrance of horizontal orifice,with an air- core,was formed within a special apparatus.The tangential,radial and axial velocities and their fluctuation strengths were measured in detail.The results were given in terms of formulas or curves.It shows a clear picture of vortex flow-field.
